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Finding the Fourth Proportional to 936.84, 1,293 and 544.11

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Solution

The fourth proportional to 936.84, 1,293 and 544.11 is: 750.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.84 : 1,293 = 544.11 : x
  2. Step 2: Convert to fraction form
    936.84/1,293 = 544.11/x
  3. Step 3: Cross multiply
    936.84x = 1,293 × 544.11
  4. Step 4: Simplify right side
    936.84x = 703,534.23
  5. Step 5: Solve for x
    x = 703,534.23/936.84
  6. Step 6: Final answer
    x = 750.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.